| 摘要 |
A tamper-evident closure device (11) for a container (10) has a tear tab (17) which can be at least partially detached by tearing to leave an opening through which the contents of the container (10) can be removed. A roller (18) integral with one edge (17b) of the tab (17) has an operating member (19) for manually rotating the roller (18) back across the tab (17) from the one edge (17b) such that during such rotation the tab (17) is progressively torn away starting at the one edge (17b).
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